<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>美化后的表格</title>
    <style>
        body {
            font-family: Arial, sans-serif;
            background-color: #f4f4f4;
            margin: 0;
            padding: 0;
        }
        table {
            width: 80%;
            margin: 20px auto;
            border-collapse: collapse;
            box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
        }
        th, td {
            padding: 15px;
            text-align: left;
            border-bottom: 1px solid #ddd;
        }
        th {
            background-color: #4CAF50;
            color: white;
            font-weight: bold;
        }
        tr:nth-child(even) {
            background-color: #f2f2f2;
        }
        tr:hover {
            background-color: #ddd;
        }
    </style>
</head>
<body>
    <table>
        <tr>
            <th>学号</th>
            <th>姓名</th>
            <th>性别</th>
            <th>年龄</th>
            <th>地址</th>
            <th>成绩</th>
        </tr>
        <tr>
            <td>1</td>
            <td>小明</td>
            <td>男</td>
            <td>20</td>
            <td>北京市海淀区</td>
            <td>90</td>
        </tr>
        <tr>
            <td>2</td>
            <td>小红</td>
            <td>女</td>
            <td>18</td>
            <td>北京市朝阳区</td>
            <td>92</td>
        </tr>
        <tr>
            <td>3</td>
            <td>小丽</td>
            <td>女</td>
            <td>21</td>
            <td>北京市东城区</td>
            <td>84</td>
        </tr>
        <tr>
            <td>4</td>
            <td>小刚</td>
            <td>男</td>
            <td>19</td>
            <td>北京市西城区</td>
            <td>91</td>
        </tr>
    </table>
</body>
</html>